info={"name":"张三","age":"男","height":"1.85"}
print(info)
info["name"]="李四"
print(info)
info["age"]=55
print(info)


info1 = {
"name": "tom",
"age": 18,
"gender": "男",
"hobby": {"read": "小说", "sport": ["篮球", "足球"]}
}

print(info1["age"])
# print(info1["aa"])
print(info1["hobby"]["sport"][1])


nfo = {
"name": "tom",
"age": 18,
"gender": "男"
}
for i in nfo.keys():
    print({i})
for i in nfo.values():
    print({i})
for k ,v in  nfo.items():
    print(f"{k}={v}")